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金星Ｃ３７─４０１型彩电开关电源故障检修于增安故障现象无光栅、无声音。分析与检修造成故障的原因可能是开关电源（见附图）本身或是行扫描电路故障所致。打开机壳，冷机时外观检查所怀疑的元器件的表面有无变色、变形、开裂、线路相碰和不正常的异味。经过检查发现电...
Venus C37 ─ 401 type TV switching power supply troubleshooting increased by the phenomenon of trouble-free grating, no sound. Analysis and troubleshooting caused by the failure may be caused by the switching power supply (see photo) itself or the line scan circuit failure. Open the case, the appearance of the cold when the appearance of the device checks whether the discoloration, deformation, cracking, line collision and abnormal odor. After checking that electricity ...